8.—(1) As soon as is practicable after the coming into force of these Regulations, the Environment Agency shall obtain from an actuary a certificate specifying the matters referred to in regulation L11(1) of the principal Regulations (actuary’s certificates) for each of the years, or, if appropriate, part of a year, ending on 31st March in the relevant period.
(2) The certificate shall be in respect of the Active Fund.
(3) The certificate obtained under this regulation, and the matters specified in it, shall be deemed for the purposes of regulation L12 of the principal Regulations (employer’s contributions) to have been obtained and specified under regulation L11(1) of the principal Regulations.
(4) The certificate obtained under this regulation may be reviewed by the actuary to the Active Fund and the rate of the employer’s contribution may be adjusted for any part of the relevant period in such manner as the actuary shall decide.
(5) In this regulation “relevant period” means the period beginning on 1st April 1996 and ending on 31st March 1999.